[libxml2] man: Mention XML_CATALOG_FILES is space-separated

[Nick Wellnhofer <nwellnhof src gnome org>]

commit e6adc19fff785120140a45e9e43e43d1599895a2
Author: Jan Tojnar <jtojnar gmail com>
Date:   Mon Jul 5 13:40:54 2021 +0000

    man: Mention XML_CATALOG_FILES is space-separated
    
    Fixes: https://bugzilla.gnome.org/show_bug.cgi?id=781274

 doc/xmlcatalog_man.xml | 4 ++--
 doc/xmllint.xml        | 4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)
---
diff --git a/doc/xmlcatalog_man.xml b/doc/xmlcatalog_man.xml
index b3ce8b2a..1e0ba5c8 100644
--- a/doc/xmlcatalog_man.xml
+++ b/doc/xmlcatalog_man.xml
@@ -367,8 +367,8 @@
        <listitem>
                <para><acronym>XML</acronym> catalog behavior can be changed by redirecting
                        queries to the user's own set of catalogs. This can be done by setting
-                       the <envar>XML_CATALOG_FILES</envar> environment variable to a list
-                       of catalogs. An empty one should deactivate loading the
+                       the <envar>XML_CATALOG_FILES</envar> environment variable to a space-separated
+                       list of catalogs. An empty one should deactivate loading the
                        default <filename>/etc/xml/catalog</filename> catalog.
                </para>
        </listitem>
diff --git a/doc/xmllint.xml b/doc/xmllint.xml
index f272287e..59a6c727 100644
--- a/doc/xmllint.xml
+++ b/doc/xmllint.xml
@@ -785,8 +785,8 @@
        <listitem>
                <para><acronym>XML</acronym> catalog behavior can be changed by redirecting
                        queries to the user's own set of catalogs. This can be done by setting
-                       the <envar>XML_CATALOG_FILES</envar> environment variable to a list
-                       of catalogs. An empty one should deactivate loading the
+                       the <envar>XML_CATALOG_FILES</envar> environment variable to a space-separated
+                       list of catalogs. An empty one should deactivate loading the
                        default <filename>/etc/xml/catalog</filename> catalog.
                </para>
        </listitem>